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Fabspeed Porsche 981 Boxster/Cayman Long Tube Race Headers

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Get out of the corner fast and maximize your pulling power on the straights! Designed for Race Competition, Drivers Education, PCA club racing, track events, and off-road use. Fabspeed Motorsport 981 long tube headers with Formula 1 Indy car style high velocity merge collectors provide maximum exhaust flow from the engine cylinder heads straight into equal length primary header tubes to the triangular merge collector. The Fabspeed Motorsport race competition headers are the Worlds Very Finest Race Competition headers Dyno developed and independently proven by Porsche Engine builders world wide. 

Fabspeed's Race Headers for the Porsche 981 Boxster/Cayman are built to optimize the engine's exhaust flow for maximum performance. Our precision-engineered headers add significant horsepower and torque to the wheels. Fabspeed Motorsport Boxster/Cayman headers have been developed and refined over 17 years and used by Professional Racers, Amateur racers, and IMSA Sanctioning bodies for over decades. You can NOT buy a finer race header developed in USA from a clean sheet of paper.  Most other brands of race headers are CHEAL Chinese knock-offs sand-blasted and lousy. These headers have been DYNO developed and tested and PROVEN to be the worlds best on 4.0 liter to 4.5liter Deman Motorsport engines!

Set yourself apart from the factory-equipped crowd with these unbeatable performance upgrades and watch your Porsche's power - and your race results - climb.


  • Fits all Porsche 981 Boxster/Cayman, including GT4 3.8 models vehicles (2013-2016)
  • Equal length T304 stainless steel, C.N.C. mandrel bent header pipes for equalized engine pulsing, exhaust scavenging and maximum exhaust flow.
  • Long-tube race headers fit all Boxster/Cayman models listed above and are a simple direct BOLT-ON to any OEM 981 muffler/ 981 PSE or any aftermarket muffler designed from OEM spec.
  • Dramatic improvement in horsepower and torque throughout the RPM range
  • Multi-layer OEM Porsche exhaust manifold gasket additional $70 set.
  • F1/NASCAR style high velocity cast merge collectors to pulse wave tuning. 
  • Incredible power gains and DYNO proven to work better than any other competitors headers on 4.5 liter stoker engines. 
  • Direct bolt-on application with no cutting or welding required.
  • Optional 02 Spacers catted spacers available to minimize C.E.L occurrences . 
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty. Track use encouraged and covered under warranty.

INSTALLATION NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs.

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only, never to be driven on public roads. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified (CARB) and not EPA certified. You are hereby informed and warned to check your local, state, and federal laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.

Returns Policy

To RETURN any system, product or merchandise you must contact us first for a Return Authorization (RA) Number. Special order and custom made systems, apparel, Carbon Fiber Wall Art, and other certain merchandise are NOT returnable. ALL SALES ARE FINAL. To return a Fabspeed Motorsport product an RA number must be requested and if granted the item(S) must be in original Fabspeed Motorsport sealed packaging. A copy of the original invoice and a brief explanation must accompany all returned items. You must follow our instructions for returning items carefully, or Fabspeed Motorsport reserves the right to charge a 25% restocking fee on any OPENED box or repackaged products. Customers are responsible for return shipping charges. If an order was shipped with a promotional “Free Shipping”, and the order is returned, we exclusively reserve the right to charge the customer or distributor for the cost of that original shipping and handling. If a Fabspeed Motorsport Performance package is ordered, and an individual component of that package is returned, Fabspeed Motorsport reserves the right to charge back the performance package discount along with any additionally offered discounts. Return shipped items DAMAGED in transit will RESULT in additional charges up to and including rejection of the competent. It is the customer’s responsibility to ship safely and properly. No returns accepted after 30 days from the invoice date. No credits will be given after 30 days from the invoice date.

To qualify for return, the product must be unused and remain in the original packaging, as well as match the current design and packaging for the product at the time of return. Sounds is subjective and therefore does not qualify for a return of a used product. See Sound Solution Guarantee to see if your product is covered.

Periodically mistakes are made when ordering, or a wrong part is shipped, and you may wish to return an item. We will do everything reasonable to satisfy you. Please contact Fabspeed Motorsport immediately via email at to discuss the circumstances before returning any products. Anything returned without prior authorization from Fabspeed Motorsport will be refused. All returns must be sent back fully prepaid. Our customer service department ( will issue a Return Authorization Number, which must accompany any return. A copy of the original invoice and a brief explanation must accompany all returned items. No returns accepted after 30 days from the invoice date. No credits given after 30 days.


Fabspeed Motorsport cannot be held liable for refusal of, delay of, loss of, theft or damage to a shipment of any item. The customer agrees to indemnify Fabspeed Motorsport for all costs, fees and expenses Fabspeed Motorsport incurs as a result of any violation of any local, state, federal, national or international laws or regulations. Customer agrees to take responsibility for lost packages that were not independently insured or sent without requiring signature. The customer understands they will be liable in the event of additional fees, tariffs, or legal issues such as border seizure. Customer accepts these risks and agrees to release Fabspeed Motorsport of all liability.

Fabspeed Motorsport reserves the right to charge a shipping and handling fee on every order being shipped from our facility. This fee is universal and applies to all retail and wholesale purchases and cannot be waived or credited.

A 6% sales tax will be implemented for every purchase made by a Pennsylvania resident. This fee will be charged for in-house installations and products purchased online, over the phone, and/or via email, this fee is required by law, is non-negotiable and non-refundable.

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